Prime & Composite Worksheet
Recommended for 4th Grade — 6th Grade
Prime & Composite Worksheet
Name: ____________________Date: ____________
Instructions: Identifying prime and composite numbers and writing prime factorizations.
20 problems
- Prime numbers in {17, 15, 27, 11, 25, 12} → ______
- Prime numbers in {2, 7, 11, 13, 19, 8} → ______
- Prime numbers in {7, 8, 3, 15, 17, 27} → ______
- Prime numbers in {12, 11, 17, 9, 19, 23} → ______
- Prime numbers in {7, 29, 11, 17, 21, 13} → ______
- Prime numbers in {19, 11, 8, 2, 17, 7} → ______
- Prime numbers in {2, 23, 13, 15, 19, 3} → ______
- Prime numbers in {19, 21, 12, 23, 2, 3} → ______
- Prime numbers in {8, 11, 15, 7, 29, 25} → ______
- Prime numbers in {15, 5, 9, 27, 21, 8} → ______
- Prime numbers in {15, 19, 7, 23, 5, 29} → ______
- Prime numbers in {23, 29, 11, 5, 19, 9} → ______
- Prime numbers in {15, 21, 8, 19, 23, 29} → ______
- Prime numbers in {13, 25, 19, 11, 17, 29} → ______
- Prime numbers in {27, 7, 19, 5, 13, 9} → ______
- Prime numbers in {11, 9, 8, 23, 15, 7} → ______
- Prime numbers in {7, 19, 21, 13, 9, 11} → ______
- Prime numbers in {19, 5, 3, 7, 13, 2} → ______
- Prime numbers in {17, 27, 9, 12, 2, 19} → ______
- Prime numbers in {27, 13, 23, 12, 29, 19} → ______